■ ControlTemplate 엘리먼트를 사용해 ComboBox 엘리먼트를 정의하는 방법을 보여준다.
▶ MainWindow.xaml
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<Window x:Class="TestProject.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Width="800" Height="600" Title="TestProject" FontFamily="나눔고딕코딩" FontSize="16"> <Window.Resources> <Color x:Key="DisabledControlDarkColorKey">#ffc5cbf9</Color> <Color x:Key="DisabledForegroundColorKey">#ff888888</Color> <Color x:Key="SelectedBackgroundColorKey">#ffc5cbf9</Color> <Color x:Key="SelectedUnfocusedColorKey">#ffdddddd</Color> <Color x:Key="ControlLightColorKey">White</Color> <Color x:Key="ControlMediumColorKey">#ff7381f9</Color> <Color x:Key="ControlDarkColorKey">#ff211aa9</Color> <Color x:Key="ControlMouseOverColorKey">#ff3843c4</Color> <Color x:Key="ControlPressedColorKey">#ff211aa9</Color> <Color x:Key="GlyphColorKey">#ff444444</Color> <Color x:Key="BorderLightColorKey">#ffcccccc</Color> <Color x:Key="BorderMediumColorKey">#ff888888</Color> <Color x:Key="BorderDarkColorKey">#ff444444</Color> <Color x:Key="DisabledBorderDarkColorKey">#ff888888</Color> <ControlTemplate x:Key="ComboBoxToggleButtonTemplateKey" TargetType="{x:Type ToggleButton}"> <Grid> <Grid.ColumnDefinitions> <ColumnDefinition /> <ColumnDefinition Width="20" /> </Grid.ColumnDefinitions> <VisualStateManager.VisualStateGroups> <VisualStateGroup Name="CommonStates"> <VisualState Name="Normal" /> <VisualState Name="MouseOver"> <Storyboard> <ColorAnimationUsingKeyFrames Storyboard.TargetName="border" Storyboard.TargetProperty="(Panel.Background).(GradientBrush.GradientStops)[1].(GradientStop.Color)"> <EasingColorKeyFrame KeyTime="0" Value="{StaticResource ControlMouseOverColorKey}" /> </ColorAnimationUsingKeyFrames> </Storyboard> </VisualState> <VisualState Name="Pressed" /> <VisualState Name="Disabled"> <Storyboard> <ColorAnimationUsingKeyFrames Storyboard.TargetName="border" Storyboard.TargetProperty="(Panel.Background).(GradientBrush.GradientStops)[1].(GradientStop.Color)"> <EasingColorKeyFrame KeyTime="0" Value="{StaticResource DisabledControlDarkColorKey}" /> </ColorAnimationUsingKeyFrames> <ColorAnimationUsingKeyFrames Storyboard.TargetName="arrowPath" Storyboard.TargetProperty="(Shape.Fill).(SolidColorBrush.Color)"> <EasingColorKeyFrame KeyTime="0" Value="{StaticResource DisabledForegroundColorKey}" /> </ColorAnimationUsingKeyFrames> <ColorAnimationUsingKeyFrames Storyboard.TargetName="border" Storyboard.TargetProperty="(Border.BorderBrush).(GradientBrush.GradientStops)[1].(GradientStop.Color)"> <EasingColorKeyFrame KeyTime="0" Value="{StaticResource DisabledBorderDarkColorKey}" /> </ColorAnimationUsingKeyFrames> </Storyboard> </VisualState> </VisualStateGroup> <VisualStateGroup Name="CheckStates"> <VisualState Name="Checked"> <Storyboard> <ColorAnimationUsingKeyFrames Storyboard.TargetName="border" Storyboard.TargetProperty="(Panel.Background).(GradientBrush.GradientStops)[1].(GradientStop.Color)"> <EasingColorKeyFrame KeyTime="0" Value="{StaticResource ControlPressedColorKey}" /> </ColorAnimationUsingKeyFrames> </Storyboard> </VisualState> <VisualState Name="Unchecked" /> <VisualState Name="Indeterminate" /> </VisualStateGroup> </VisualStateManager.VisualStateGroups> <Border Name="border" Grid.ColumnSpan="2" CornerRadius="2" BorderThickness="1"> <Border.BorderBrush> <LinearGradientBrush StartPoint="0 0" EndPoint="0 1"> <GradientStop Offset="0" Color="{DynamicResource BorderLightColorKey}" /> <GradientStop Offset="1" Color="{DynamicResource BorderDarkColorKey }" /> </LinearGradientBrush> </Border.BorderBrush> <Border.Background> <LinearGradientBrush StartPoint="0 0" EndPoint="0 1"> <LinearGradientBrush.GradientStops> <GradientStopCollection> <GradientStop Color="{DynamicResource ControlLightColorKey }" /> <GradientStop Offset="1.0" Color="{DynamicResource ControlMediumColorKey}" /> </GradientStopCollection> </LinearGradientBrush.GradientStops> </LinearGradientBrush> </Border.Background> </Border> <Border Grid.Column="0" Margin="1" CornerRadius="2 0 0 2"> <Border.Background> <SolidColorBrush Color="{DynamicResource ControlLightColorKey}" /> </Border.Background> </Border> <Path Name="arrowPath" Grid.Column="1" HorizontalAlignment="Center" VerticalAlignment="Center" Data="M 0 0 L 4 4 L 8 0 Z"> <Path.Fill> <SolidColorBrush Color="{DynamicResource GlyphColorKey}" /> </Path.Fill> </Path> </Grid> </ControlTemplate> <ControlTemplate x:Key="ComboBoxTextBoxTemplateKey" TargetType="{x:Type TextBox}"> <Border Name="PART_ContentHost" Background="{TemplateBinding Background}" Focusable="False" /> </ControlTemplate> <Style x:Key="{x:Type ComboBox}" TargetType="{x:Type ComboBox}"> <Setter Property="OverridesDefaultStyle" Value="true" /> <Setter Property="MinWidth" Value="120" /> <Setter Property="MinHeight" Value="20" /> <Setter Property="SnapsToDevicePixels" Value="true" /> <Setter Property="ScrollViewer.CanContentScroll" Value="true" /> <Setter Property="ScrollViewer.HorizontalScrollBarVisibility" Value="Auto" /> <Setter Property="ScrollViewer.VerticalScrollBarVisibility" Value="Auto" /> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type ComboBox}"> <Grid> <VisualStateManager.VisualStateGroups> <VisualStateGroup Name="CommonStates"> <VisualState Name="Normal" /> <VisualState Name="MouseOver" /> <VisualState Name="Disabled"> <Storyboard> <ColorAnimationUsingKeyFrames Storyboard.TargetName="PART_EditableTextBox" Storyboard.TargetProperty="(TextElement.Foreground).(SolidColorBrush.Color)"> <EasingColorKeyFrame KeyTime="0" Value="{StaticResource DisabledForegroundColorKey}" /> </ColorAnimationUsingKeyFrames> </Storyboard> </VisualState> </VisualStateGroup> <VisualStateGroup Name="EditStates"> <VisualState Name="Editable"> <Storyboard> <ObjectAnimationUsingKeyFrames Storyboard.TargetName="PART_EditableTextBox" Storyboard.TargetProperty="(UIElement.Visibility)"> <DiscreteObjectKeyFrame KeyTime="0" Value="{x:Static Visibility.Visible}" /> </ObjectAnimationUsingKeyFrames> <ObjectAnimationUsingKeyFrames Storyboard.TargetName="contentSiteContentPresenter" Storyboard.TargetProperty="(UIElement.Visibility)"> <DiscreteObjectKeyFrame KeyTime="0" Value="{x:Static Visibility.Hidden}" /> </ObjectAnimationUsingKeyFrames> </Storyboard> </VisualState> <VisualState Name="Uneditable" /> </VisualStateGroup> </VisualStateManager.VisualStateGroups> <ToggleButton Grid.Column="2" Template="{StaticResource ComboBoxToggleButtonTemplateKey}" ClickMode="Press" Focusable="false" IsChecked="{Binding IsDropDownOpen, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}" /> <ContentPresenter Name="contentSiteContentPresenter" ContentTemplate="{TemplateBinding SelectionBoxItemTemplate}" ContentTemplateSelector="{TemplateBinding ItemTemplateSelector}" HorizontalAlignment="Left" VerticalAlignment="Stretch" Margin="3 3 23 3" IsHitTestVisible="False" Content="{TemplateBinding SelectionBoxItem}"> </ContentPresenter> <TextBox Name="PART_EditableTextBox" Template="{StaticResource ComboBoxTextBoxTemplateKey}" Style="{x:Null}" HorizontalAlignment="Left" VerticalAlignment="Bottom" Margin="3 3 23 3" Background="Transparent" Focusable="True" IsReadOnly="{TemplateBinding IsReadOnly}" Visibility="Hidden" /> <Popup Name="popup" Placement="Bottom" IsOpen="{TemplateBinding IsDropDownOpen}" AllowsTransparency="True" Focusable="False" PopupAnimation="Slide"> <Grid MinWidth="{TemplateBinding ActualWidth}" MaxHeight="{TemplateBinding MaxDropDownHeight}" SnapsToDevicePixels="True"> <Border Name="dropDownBorder" BorderThickness="1"> <Border.BorderBrush> <SolidColorBrush Color="{DynamicResource BorderMediumColorKey}" /> </Border.BorderBrush> <Border.Background> <SolidColorBrush Color="{DynamicResource ControlLightColorKey}" /> </Border.Background> </Border> <ScrollViewer Margin="4 6 4 6" SnapsToDevicePixels="True"> <StackPanel IsItemsHost="True" KeyboardNavigation.DirectionalNavigation="Contained" /> </ScrollViewer> </Grid> </Popup> </Grid> <ControlTemplate.Triggers> <Trigger Property="HasItems" Value="false"> <Setter TargetName="dropDownBorder" Property="MinHeight" Value="95" /> </Trigger> <Trigger Property="IsGrouping" Value="true"> <Setter Property="ScrollViewer.CanContentScroll" Value="false" /> </Trigger> <Trigger SourceName="popup" Property="AllowsTransparency" Value="true"> <Setter TargetName="dropDownBorder" Property="CornerRadius" Value="4" /> <Setter TargetName="dropDownBorder" Property="Margin" Value="0 2 0 0" /> </Trigger> </ControlTemplate.Triggers> </ControlTemplate> </Setter.Value> </Setter> </Style> <Style x:Key="{x:Type ComboBoxItem}" TargetType="{x:Type ComboBoxItem}"> <Setter Property="OverridesDefaultStyle" Value="true" /> <Setter Property="SnapsToDevicePixels" Value="true" /> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type ComboBoxItem}"> <Border Name="border" Padding="2" Background="Transparent" SnapsToDevicePixels="true"> <VisualStateManager.VisualStateGroups> <VisualStateGroup Name="SelectionStates"> <VisualState Name="Unselected" /> <VisualState Name="Selected"> <Storyboard> <ColorAnimationUsingKeyFrames Storyboard.TargetName="border" Storyboard.TargetProperty="(Panel.Background).(SolidColorBrush.Color)"> <EasingColorKeyFrame KeyTime="0" Value="{StaticResource SelectedBackgroundColorKey}" /> </ColorAnimationUsingKeyFrames> </Storyboard> </VisualState> <VisualState Name="SelectedUnfocused"> <Storyboard> <ColorAnimationUsingKeyFrames Storyboard.TargetName="border" Storyboard.TargetProperty="(Panel.Background).(SolidColorBrush.Color)"> <EasingColorKeyFrame KeyTime="0" Value="{StaticResource SelectedUnfocusedColorKey}" /> </ColorAnimationUsingKeyFrames> </Storyboard> </VisualState> </VisualStateGroup> </VisualStateManager.VisualStateGroups> <ContentPresenter /> </Border> </ControlTemplate> </Setter.Value> </Setter> </Style> </Window.Resources> <ComboBox HorizontalAlignment="Center" VerticalAlignment="Center"> <ComboBoxItem>항목 1</ComboBoxItem> <ComboBoxItem>항목 2</ComboBoxItem> <ComboBoxItem IsSelected="True">항목 3</ComboBoxItem> <ComboBoxItem>항목 4</ComboBoxItem> </ComboBox> </Window> |
